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Thread: Jegs crate motor choices vs. local rebuilder
          
   
   

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  1. #1
    hpcbmw's Avatar
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    Jegs crate motor choices vs. local rebuilder

     



    I'm restoring my 67 GMC pickup. I've sold the worn out, non original 283 and am looking at replacement motors. I don't need 400 hp, but, of course, the more power the better! That said, I've had the truck for 30 years and it probably never had over 150 hp, so any new motor will be a great improvement.

    Jegs has a 195-260 hp crate 350 for $2,200 with intake, carb, hei distrib and coil and some shiny stuff
    Chevrolet Performance 10067353K1, GM Goodwrench 350ci Engine & Packages | Chevrolet Performance

    Jegs also has an entry level of this same motor for $1450.00, without carb, intake or hei or for $1,880 I can get this motor with a Performance ZZ alum intake, intake gaskets, HEI distrib and 6.75" harm balancer.
    Chevrolet Performance 10067353, GM Goodwrench 350ci Engine & Packages | Chevrolet Performance

    A local engine rebuilder has 350 rebuilds for $899.00 with no intake, carb or hei, but a $200 core (I don't have a core engine since I sold mine).
    CSD 350 Stock Replacement

    The $1,450 Jegs motor is really tempting, but since I don't have an intake or distrib, and the edelbrock carb I have probably needs rebuilding, is it worth buying the $2200 motor instead?

    Thanks for any input! I'm obviously not a motor guy, so any input or ideas are appreciated! I'm also looking at serpentine belt kits, since I have no brackets, pulleys, etc.
    Jegs has one for $1800.00
    March Performance 21150, March Style Track Small Block Chevrolet Serpentine Pulley System | March Performance

    LMC truck and Vintage air both have them in the $1800- $2,200 range. What do you guys think of these serpentine belt kits?

    Thanks!
    67 GMC Pickup, owned since I was 15, driven regularly til 1997, in storage until Oct 2012. SBC 283 from a buddy's 66 Chevelle, stock engine, stock 4 speed tranny with granny gear. Working on a light restoration.

  2. #2
    rspears's Avatar
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    I wouldn't buy either of those GM crate engines, as they're both flat tappet cam engines, and I wouldn't invest my $$$ in anything that's not hydraulic roller cam. With a flat tappet cam the risks are simply too big for eroding lobes, which then leads to trashing every bearing surface with abrasive particles. Same goes for your local rebuilder - I'd insist on a roller cam, period. One good thing about the GM Performance Parts package is the OEM GM warranty, but some of the other big companies have similar warranty packages, too, which is something your local rebuilder likely does not even want to talk about.

    On the belt package, if you're sold on the integrated drive system I'd take a hard look at the package offered by RockyHinge - link here Quality At Affordable Prices High quality, small family business, and lower prices. It's V-belts, but I like them better anyway.
    Last edited by rspears; 05-18-2015 at 11:47 AM.
    Roger
    Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.

  3. #3
    jerry clayton's Avatar
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    Since you need a complete engine and also want a serpentine belt drive-take a look at take outs of a modern engine package- an LS type efi, serpentine belt--------good performance, milage, etc----------

  4. #4
    rspears's Avatar
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    Quote Originally Posted by jerry clayton View Post
    Since you need a complete engine and also want a serpentine belt drive-take a look at take outs of a modern engine package- an LS type efi, serpentine belt--------good performance, milage, etc----------
    Jerry's point is valid, a complete takeout package including the engine, tranny, ECU and the wiring harnesses (engine & instrument) is a nice option, but be aware that you're going to have to have the ECU reworked to strip out security features, the tie to the OEM VIN, and to eliminate other features that you may not want for your '67 truck. You'll need O2 sensors in your exhaust to replicate the OEM parts, and if you're not running CAT's the post CAT inputs have to be defeated or the ECU will get unhappy. It's a great way to go, but it's far from the "...buy a takeout, drop it in, start it up" that some people seem to expect based on Gen 1 engines. Do your homework.
    Last edited by rspears; 05-18-2015 at 11:05 AM.
    Roger
    Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.

  5. #5
    Deuce4dad is offline CHR Member Visit my Photo Gallery
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    The GM Performance Parts 383 roller block crate engine with the Fastburn heads would be at the top of my list. Second choice would be one of the GMPP 350 roller cam engines. GMPP engines are priced right and the warranty alone would make me seriously consider going with them. The LS is popular right now, but bring with it issues that Roger noted. GMPP engines are basically bolt in and go and would be a great fit for your build. I would go with the vortec head, or aluminum head also. You can use both GM or Edelbrock intake on these heads. Edelbrock has a nice carb for the street. I would go with the v-belt setup, rather than serpentine, and spend the money saved there to get the vortec head long block.
    Henry Rifle and rspears like this.

  6. #6
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    The ZZ-5 crate motor is a great combination, and comes pretty well complete except for carb. Serpentine belts are pretty and work well, but the expense isn't worth it to me. If you're going for a "dressed up" engine with a lot of bling, you can get polished aluminum or chrome pulleys for much less. If you just want a nice clean motor, painted steel pulleys and brackets look great. Put the extra cost of the serpentine system into a better motor.
    Last edited by Henry Rifle; 05-18-2015 at 11:31 AM.
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    Gone to Texas

  7. #7
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    Thanks guys for the great info, but unfortunately I'm on a pretty limited budget. I've got $3,500 max to get a motor in and running - including intake, carb, balancer, alternator, distributor, pulleys, brackets, etc. I've looked at a few different 383 options mentioned in the posts and the motors alone start at $5,500, plus all the accessories. I've looked into the LS options, but don't have the time or inclination to sort out all the complications.

    I see the ZZ5 for about $5k, which includes carb, balancer, water pump and distributor, but it's $1,500 more then I've got, plus I'd still need pulleys, brackets, alternator, etc.
    http://www.summitracing.com/parts/na...q-BhoChbrw_wcB

    Re: warranty - all the engines seem to have a 12 month warranty, since my 1967 truck is not a "listed vehicle". Even the local engine rebuilder has a 12 month warranty.

    Any suggestions on the best motor in my budget? In the long run, I'd like to build a 327 to put in the truck, since that's what was in it originally (unfortunately that block is long gone). In the meantime, I've got to get my truck on the road in the next 2 months.

    Thanks for the help!
    67 GMC Pickup, owned since I was 15, driven regularly til 1997, in storage until Oct 2012. SBC 283 from a buddy's 66 Chevelle, stock engine, stock 4 speed tranny with granny gear. Working on a light restoration.

  8. #8
    jerry clayton's Avatar
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    So you are missing everything? mounts, exhaust manifolds /pipes, starter, water pump alternator, brackets?
    Only look at the late 80s on era for oem hydraulic rollers, a fuel pump mount-will be one piece rear seal and flywheel will be from same as crankshaft---

  9. #9
    hpcbmw's Avatar
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    Jerry, I've got stock exhaust manifolds and the old dual exhaust to cover me for the time being, and a used edelbrock 600 carb. No starter, no waterpump, no brackets, no alternator. The motor mounts and alternator were shot, so I didn't keep them. The alternator bracket was put on about 20 years ago and never worked right. The truck did not have power steering, so no bracket or pump (but I'm adding that now). I've got the old flywheel that I'll need to get resurfaced. I also need a new clutch.

    I found this motor for $2,500.00 at the local rebuilder's website. It's advertised as 400 hp with aluminum heads, hydraulic cam and roller rockers. I'd still need pulleys, etc, but it might be barely within my budget. Any thoughts? Is there a reason I should avoid the rebuilder and stick to a crate motor? Since the shop is only 45 minutes from me, any warranty issues would be pretty easy to deal with.

    CSD 350 Aluminum Heads

    CSD 350 ALUMINUM HEADS
    HORSEPOWER - 400
    TORQUE - 467 FT. LBS.
    COMPRESSION - 9.5:1
    CRANKSHAFT - SCAT 9000
    PISTONS - SPEED PRO
    CAMSHAFT - COMP HYDRAULIC THUMPER 12-600-4 (2200 STALL REQUIRED)
    HEADS - E-FORCE ALUMINUM HEADS (200 CC RUNNERS/64 CC)
    VALVES - 2.02/1.60 STAINLESS
    ROCKERS - COMP ROLLERS
    TIMING - DOUBLE ROW
    OIL PUMP - MELLING HIGH VOLUME
    RODS - GM RECONDITIONED
    BALANCER - INCLUDED
    INTAKE - EDELBROCK PERFORMER
    ALUMINUM PULLEYS
    ALUMINUM WATER PUMP
    ALUMINUM VALVE COVERS
    Last edited by hpcbmw; 05-18-2015 at 07:41 PM.
    67 GMC Pickup, owned since I was 15, driven regularly til 1997, in storage until Oct 2012. SBC 283 from a buddy's 66 Chevelle, stock engine, stock 4 speed tranny with granny gear. Working on a light restoration.

  10. #10
    rspears's Avatar
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    The 12-600-4 is another flat tappet cam. In your situation I'd go visit the local rebuilder, tell him you want a solid 350 Gen 1 SBC with a roller cam, on a budget and see what he can do. If you go to Summit Racing and plug in the criteria of SBC, Gen 1, roller cam, sorted by price low to high the first one that comes close is $3100 - http://www.summitracing.com/parts/hp...make/chevrolet but you'll never get it done for $3500 total, needing alternator, pulleys, brackets & belts, etc, etc....
    Roger
    Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.

  11. #11
    jerry clayton's Avatar
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    Look for a vortec take out of latest model pick up or suv you can find in yard-----------you'll need to do electric fuel pump (no mount on motor) and add an edelbrock manifold and dist----------
    get brackets, alternator, starter, exhaust----


    will be roller cam, good heads and decent power

  12. #12
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    Hey!! I'm thinking that since you want a 327 later why not find a used SBC (any CI) just to get it running and save your money for the 327 build! Pete

  13. #13
    Deuce4dad is offline CHR Member Visit my Photo Gallery
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    The roller cam block, in my opinion is a must regardless of who the builder is. The "vortec" heads would be very high on my wish list. Price a long block (short block and heads), then complete engine with used intake, carb, dist, etc to stay within budget. Water pump should be new. Ask the local engine rebuilders to price a long block with roller block and vortec heads. See if this would help with budget limits. As for the 327; a 350 can be built cheaper than a 327 and you can have the roller cam. The flat tappet cam is the Achilles heal of the sbc. Break in is so critical with them. The engine by the local builder with the 200 cc intake runner heads, 9.5:1 compression and the thumper cam may not be the most streetable combination. 175 cc runners, 9.5:1, and 215/225 @ .050 would be my choice to start at with your budget. As for the 2200 stall, GM used a 2500 stall in their factory Vettes. Why the high volume pump? 400 hp and a small budget may not fit well in your case. Just my opinion. Others may disagree.
    NTFDAY and rspears like this.

  14. #14
    jerry clayton's Avatar
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    An issue with getting an builder to do roller block -won't happen on the cheap budjet---------all the sbc cores are expensive (supply/demand) roller lifter blocks are later years of production and were efi-hence after a period of time the fuel pump mount was dis continued------Yes the block can be drilled and machined for the mount but this adds costs-------


    as strange as it may sound , I make more money on machining a core block for a build than I do on a Dart ---------the machining operation can earn me upwards of $100 hour where as putting it together breaks down to mechanics wage!!!!!!!!!


    A rebuit engine will have many dollars added for the teardown, cleanup, assemble process that a take out will not------and the takeout will have all the brackets, bolts, ect-------


    However, a late model will need an electric fuel pump, regardless if its for carb or efi and even if its a block with a mount, it might not have a camshaft with a fuel pump lobe on it--

  15. #15
    hpcbmw's Avatar
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    Deuce4dad - I was kinda thinking that a 400 hp build may not be what I need - i'm reusing the stock 4 speed trans and rearend, and figure they may not last long with that kind of power, plus, I'm not sure how streetable that engine would be. Thanks for the explanation about flat tappet cam. Is the problem with the flat tappet that if it's not broken in correctly, the cam will shed metal particles into the engine? What is the correct way to break in a 350 sbc? I've never had a new motor!

    prpmmp - i'm going back and forth on the motor. I don't want a junkyard motor, since I might be driving this motor for 5+ years, which is originally why I was looking at the $800 rebuild or the $1450 jegs or summit motor - just keep it stock and drive it for awhile. I may still go that route, but really like the info and ideas I'm getting on this forum.

    rspears - I really like your idea of asking the local rebuilder about a custom 350 Gen 1 SBC with a roller cam. I'll definitely contact them about this.
    67 GMC Pickup, owned since I was 15, driven regularly til 1997, in storage until Oct 2012. SBC 283 from a buddy's 66 Chevelle, stock engine, stock 4 speed tranny with granny gear. Working on a light restoration.

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